var disclaimer = "INFORMATIVA: questo sito utilizza COOKIE, anche di terze parti, per facilitare la navigazione e/o fornire servizi in linea con le tue preferenze. Chiudendo questo banner, cliccando su un link o proseguendo la navigazione in altra maniera, acconsenti all uso dei cookie. Grazie.<br><button class=\"CookieClearBtn\" onclick=\"window.top.location.href='http://www.infn.it/index.php?option=com_content&view=article&id=268&Itemid=427&lang=it'\">Pi&ugrave; info</button><button class=\"CookieClearBtn\" onclick=\"CookieClearAccept()\">OK</button>";

    var style = "#cookie-clear-bar { \
            direction: ltr; \
            color: #DDD;\
            font: normal 14px/18px sans-serif;\
            height: 70px;\
            position: fixed;\
            padding: 5px;\
            top: 0;\
            left: 0;\
            width: 100%;\
            min-width: 600px;\
            z-index: 99999;\
            background-color: #464646;\
            opacity: 0.9;\
            background-image: -ms-linear-gradient(bottom, #373737, #464646 5px);\
            background-image: -moz-linear-gradient(bottom, #373737, #464646 5px);\
            background-image: -o-linear-gradient(bottom, #373737, #464646 5px);\
            background-image: -webkit-gradient(linear,left bottom,left top,from(#373737),to(#464646));\
            background-image: -webkit-linear-gradient(bottom, #373737, #464646 5px);\
            background-image: linear-gradient(bottom, #373737, #464646 5px);\
            text-align:center;\
        }\
        #cookie-clear-bar a {\
            color:#fff;\
        }\
        .CookieClearBtn {\
            margin: 5px 10px 5px 10px;\
            line-height:20px;\
            background:#45AE52;\
            border:none;\
            color:#fff;\
            padding:0 12px;\
            border-radius: 3px;\
            cursor: pointer;\
            font-size: 13px;\
            font-weight: bold;\
            font-family: sans-serif;\
            text-shadow: #555 1px 1px;\
        }\
        .CookieClearBtn:hover {\
            background:#5EC544;\
        }";

function getCookie(name) {
  var value = "; " + document.cookie;
  var parts = value.split("; " + name + "=");
  if (parts.length == 2) return parts.pop().split(";").shift();
}

    function CookieClearAccept() {
        days = 30;
        var date = new Date();
        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        var expires = "; expires=" + date.toGMTString();
        document.cookie = "cookieClearINFN=true" + expires + "; path=/; domain=.infn.it";
        jQuery("#cookie-clear-bar").hide();
        var html = window.top.document.getElementsByTagName("html")[0];
        if (window.top.document.getElementById("infn-cookie")) {
            remove_cookie_frameset();   
        }
    }		

    function add_cookie_div(element) {
        var cookie_style = document.createElement("style");

        var cookie_div = document.createElement("div");
        cookie_div.id = "cookie-clear-bar";
        element.appendChild(cookie_style);

        element.appendChild(cookie_div);
        cookie_div.innerHTML = disclaimer;
        cookie_style.innerHTML = style;
    }

    function add_cookie_scripts(element) {
	var cookie_script = document.createElement("script");
	cookie_script.language = "JavaScript";
	cookie_script.type = "text/javascript";
	cookie_script.src="http://prova.lnf.infn.it/computing/cookie_div.js";
	var cookie_jq_script = document.createElement("script");
	cookie_jq_script.language = "JavaScript";
	cookie_jq_script.type = "text/javascript";
	cookie_jq_script.src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js";
	element.appendChild(cookie_script);
	element.appendChild(cookie_jq_script);
    }
  
    function insert_cookie_frameset(){
        
        //create new element frameset
        var new_frameset = window.top.document.createElement("frameset");
        new_frameset.id = "infn-cookie";
        new_frameset.setAttribute("rows","70px,*");
        new_frameset.setAttribute("cols",null);
        new_frameset.setAttribute("frameborder","0"); 
        
        var cookie_frame = window.top.document.createElement("frame");
           
        var html = window.top.document.getElementsByTagName("html")[0];
        var old_frameset = html.getElementsByTagName("frameset")[0].cloneNode(true);

        html.replaceChild(new_frameset, html.getElementsByTagName("frameset")[0] );

        new_frameset.appendChild(cookie_frame);
        new_frameset.appendChild(old_frameset);
    }
    
    function remove_cookie_frameset(){ //removes cookie frame
        var html = window.top.document.getElementsByTagName("html")[0];
        var main_frameset = html.getElementsByTagName("frameset")[0];
        var frameset_to_restore = main_frameset.getElementsByTagName("frameset")[0].cloneNode(true);
        html.replaceChild(frameset_to_restore, html.getElementsByTagName("frameset")[0] );
    }
    

if ( !(getCookie("cookieClearINFN") === "true") ) {
    var html = window.top.document.getElementsByTagName("html")[0];
    
    if ( html.getElementsByTagName("frameset").length ) {  // we have framesets
  
        if (!window.top.document.getElementById("infn-cookie")) {
  
            insert_cookie_frameset();
            
        } else {
            if ( window.top.frames[0].document.body.innerHTML == "")  {
		
		add_cookie_scripts(window.top.frames[0].document.head);        
		add_cookie_div(window.top.frames[0].document.body);
		
            }
        }
    
    } else { 
        if ( !window.top.document.getElementById("cookie-clear-bar") ) {
            add_cookie_div(window.top.document.body);
        }
    }
}